the same chicken same egg
同一只鸡，同一只蛋
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Bluetooth may be cheaper, but it faces many of the same chicken-and-egg problems: why pay extra for a Bluetooth-enabled printer if you do not have a Bluetooth-enabled laptop, and vice versa?
ECONOMIST: REPORT: WIRELESS COMMUNICATIONS
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